Finding the Fourth Proportional to 119,709.04, 165,206.68 and 73,161.92
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Solution
The fourth proportional to 119,709.04, 165,206.68 and 73,161.92 is: 100,968.46
Step by Step Solution
- Step 1: Write the proportion equation
119,709.04 : 165,206.68 = 73,161.92 : x - Step 2: Convert to fraction form
119,709.04/165,206.68 = 73,161.92/x - Step 3: Cross multiply
119,709.04x = 165,206.68 × 73,161.92 - Step 4: Simplify right side
119,709.04x = 12,086,837,905.63 - Step 5: Solve for x
x = 12,086,837,905.63/119,709.04 - Step 6: Final answer
x = 100,968.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.